Not true the new Desnion gateway 500s BT has it.
Not true now the new Dension gateway 500s BT has it.
A2DP is integrated into the unit and but it is more expensive at around
500 to 550 on ebay.
See the Dension website this is a new model.
And its listed as working with the Pro Radio not just
the idrive although you get better video display features
as you have a display for it to work with.